/Engine/Source/Runtime/MeshDescription/Public/MeshDescriptionBase.h
Returns the triangles connected to this vertex
void GetVertexConnectedTriangles ( [FVertexID](API\Runtime\MeshDescription\FVertexID) VertexID, [TArray](API\Runtime\Core\Containers\TArray)< [FTriangleID](API\Runtime\MeshDescription\FTriangleID) > & OutConnectedTriangleIDs ) const